United States. National Archives and Records Service. (1977). Federal population censuses, 1790-1890: A catalog of microfilm copies of the schedules. The Service.
Chicago Style (17th ed.) CitationUnited States. National Archives and Records Service. Federal Population Censuses, 1790-1890: A Catalog of Microfilm Copies of the Schedules. Washington: The Service, 1977.
MLA (9th ed.) CitationUnited States. National Archives and Records Service. Federal Population Censuses, 1790-1890: A Catalog of Microfilm Copies of the Schedules. The Service, 1977.
Warning: These citations may not always be 100% accurate.